Questions
A ray of red light is incident on the surface of a slab of glass at an angle of incidence of i. The angle of deviation in the slab is found to be . When a ray of violet light is incident on the same slab of glass at same angle of incidence i, the angle of deviation inside the slab is found to be . Then
detailed solution
Correct option is B
Refraction index μ of glass changes with wavelength of light according to the graph shown in figure. Since λv<λr, from the graph it is clear that μv>μr.By Snell's law, sinr=siniμ. Therefore rvTalk to our academic expert!
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A vessel is half filled with a liquid of refractive index μ. The other half of the vessel is filled with an immiscible liquid of refractive index 1.5 μ. The apparent depth of vessel is 50% of the actual depth. The value of μ is
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